Mathematics, 06.05.2020 08:38 erika6072
A recent study focused on the number of times men and women who live alone buy take-out dinner in a month. Assume that the distributions follow the normal probability distribution and the population standard deviations are equal. The information is summarized below. Statistic Men Women Sample mean 24.44 22.44 Sample standard deviation 5.52 4.63 Sample size 35 40 At the 0.01 significance level, is there a difference in the mean number of times men and women order take-out dinners in a month?1. Compute the value of the test statistic. Value of the test statistic 2. What is your decision regarding on null hypothesis? The decision is the null hypothesis that the means are the same. 3. What is the p-value?
Answers: 1
Mathematics, 21.06.2019 19:40
Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y
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Mathematics, 21.06.2019 20:30
What is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?
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Mathematics, 21.06.2019 23:00
The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z
Answers: 2
A recent study focused on the number of times men and women who live alone buy take-out dinner in a...
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